Available Answers

1. 1.

   Tick (√) the correct options:

   1. Which of the following is most appropriate to make a good temporary magnet?
      1. cotton
      2. glass
      3. wood
      4. iron
   2. The substances that are attracted by the magnets are called _______________ materials.
      1. non-magnetic
      2. magnetic
      3. magnets
      4. none of these
2. 2.

   Tick (√) the correct options:

   1. Like poles of a magnet _______________ each other.
      1. repel
      2. attract
      3. slide over
      4. roll over
   2. Which of the following is attract towards a magnet?
      1. iron
      2. cobalt
      3. both of these
      4. none of these
3. 3.

   Tick (√) the correct options:

   1. A magnet loses its magnetic property by _______________.
      1. using
      2. storing
      3. hammering
      4. cleaning
   2. If two unlike poles of a bar magnet are brought near each other, they _______________.
      1. repel each other
      2. attract each other
      3. don't show any kind of force
      4. none of these
   3. The two ends of a bar magnet are called _______________.
      1. points
      2. roads
      3. poles
      4. ends
   4. When a magnet is rolled over iron fillings, most of them stick to the magnet at _______________.
      1. north pole
      2. south pole
      3. both poles
      4. middle
   5. The magnetic compass works on the principle of _______________ property of a magnet.
      1. selective
      2. attractive
      3. directive
      4. repulsive
   6. A freely suspended magnet points in the _______________ direction.
      1. north-south
      2. east-west
      3. only north
      4. only south
   7. When the north pole of a magnet is brought near the north pole of another suspended magnet, _______________ takes place.
      1. attraction
      2. repulsion
      3. both repulsion and attraction
      4. neither repulsion nor attraction
4. 4.

   Fill in the blanks:

   1. The materials which are attracted towards a magnet are called _______________ materials.
   2. Paper is not a _______________ material.
   3. A magnet always has _______________ poles.
   4. Like poles _______________ whereas unlike poles _______________ each other.
   5. The strength of a magnet is negligible at its _______________.
   6. Each magnet has two magnetic poles-_______________ and _______________.
   7. Magnets _______________ their properties when they are heated, hammered or dropped from some height.
   8. The magnetic compass is an instrument used to find _______________.
   9. Poles of a magnet always exist in _______________.
5. 5.

   Match the following:

   Column A	Column B
   1. Steel	a. maximum magnetic force
   2. Magnetic pole	b. navigation
   3. ATM card	c. permanent magnet
   4. Magnetic compass	d. magnetic strip

    

6. 6.

   Where are the poles of a bar magnet located?